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[单选题]
计算一元弱酸溶液pH值的最简公式,不需要满足的条件是
A.Kaca ≥20 Kw
B.ca/Ka ≥500
C.α < 5%
D.ca/Ka < 500
提问人:网友dwtdwt
发布时间:2022-01-07
A.Kaca ≥20 Kw
B.ca/Ka ≥500
C.α < 5%
D.ca/Ka < 500
A、Ka1ca ≥20 Kw
B、ca/Ka1 < 500
C、Ka1/Ka2 > 100
D、ca/Ka1 ≥ 500
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